package com;

import java.math.BigDecimal;

/**
 * Created by 汤伟杰 on 2017/8/30.
 */
public class TesttG {


    public static void main(String[] args) {
        BigDecimal bdcheck = new BigDecimal(-423);
        if(bdcheck.compareTo(new BigDecimal(0))>=0){
            System.out.println("true");
        }else{
            System.out.println("false");
        }
    }

}
